TY - JOUR A1 - Zhang, L. A1 - Jacob, D. J. A1 - Knipping, E. M. A1 - Kumar, N. A1 - Munger, J. W. A1 - Carouge, C. C. A1 - van Donkelaar, A. A1 - Wang, Y. X. A1 - Chen, D. T1 - Nitrogen deposition to the United States: distribution, sources, and processes JO - Atmos. Chem. Phys. J1 - ACP VL - 12 IS - 10 SP - 4539 EP - 4554 Y1 - 2012/05/24 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/12/4539/2012/ L1 - https://acp.copernicus.org/articles/12/4539/2012/acp-12-4539-2012.pdf DO - 10.5194/acp-12-4539-2012 ER -